AAMANDV:    0x070C5 << 15, // amand.d
	AAMORW:     0x070C6 << 15, // amor.w
	AAMORV:     0x070C7 << 15, // amor.d
	AAMXORW:    0x070C8 << 15, // amxor.w
	AAMXORV:    0x070C9 << 15, // amxor.d
	AAMMAXW:    0x070CA << 15, // ammax.w
	AAMMAXV:    0x070CB << 15, // ammax.d
	AAMMINW:    0x070CC << 15, // ammin.w
	AAMMINV:    0x070CD << 15, // ammin.d
	AAMMAXWU:   0x070CE << 15, // ammax.wu

	0x192: 0x4152, 0x193: 0x0012, 0x194: 0x0010, 0x195: 0x0012, 0x196: 0x0012, 0x197: 0x0012,
	0x198: 0x0012, 0x199: 0x0012, 0x19a: 0x0012, 0x19b: 0x0012, 0x19c: 0x0012, 0x19d: 0x120a,
	0x19e: 0x128a, 0x19f: 0x0012, 0x1a0: 0x0012, 0x1a1: 0x0012, 0x1a2: 0x0012, 0x1a3: 0x0012,
	0x1a4: 0x0012, 0x1a5: 0x0012, 0x1a6: 0x0012, 0x1a7: 0x0012, 0x1a8: 0x0012, 0x1a9: 0x0012,

	0x192: 0x4152, 0x193: 0x0012, 0x194: 0x0010, 0x195: 0x0012, 0x196: 0x0012, 0x197: 0x0012,
	0x198: 0x0012, 0x199: 0x0012, 0x19a: 0x0012, 0x19b: 0x0012, 0x19c: 0x0012, 0x19d: 0x118a,
	0x19e: 0x120a, 0x19f: 0x0012, 0x1a0: 0x0012, 0x1a1: 0x0012, 0x1a2: 0x0012, 0x1a3: 0x0012,
	0x1a4: 0x0012, 0x1a5: 0x0012, 0x1a6: 0x0012, 0x1a7: 0x0012, 0x1a8: 0x0012, 0x1a9: 0x0012,

const (
	// flags inside DNSRecord.Dw
	DnsSectionQuestion   = 0x0000
	DnsSectionAnswer     = 0x0001
	DnsSectionAuthority  = 0x0002
	DnsSectionAdditional = 0x0003
)

const (
	// flags of WSALookupService
	LUP_DEEP                = 0x0001
	LUP_CONTAINERS          = 0x0002
	LUP_NOCONTAINERS        = 0x0004
	LUP_NEAREST             = 0x0008
	LUP_RETURN_NAME         = 0x0010

	0x192: 0x4152, 0x193: 0x0012, 0x194: 0x0010, 0x195: 0x0012, 0x196: 0x0012, 0x197: 0x0012,
	0x198: 0x0012, 0x199: 0x0012, 0x19a: 0x0012, 0x19b: 0x0012, 0x19c: 0x0012, 0x19d: 0x118a,
	0x19e: 0x120a, 0x19f: 0x0012, 0x1a0: 0x0012, 0x1a1: 0x0012, 0x1a2: 0x0012, 0x1a3: 0x0012,
	0x1a4: 0x0012, 0x1a5: 0x0012, 0x1a6: 0x0012, 0x1a7: 0x0012, 0x1a8: 0x0012, 0x1a9: 0x0012,

	EPOLL_CLOEXEC            = 0x00001000
	EPOLL_CTL_ADD            = 0
	EPOLL_CTL_MOD            = 1
	EPOLL_CTL_DEL            = 2
	EPOLLRDNORM              = 0x0001
	EPOLLRDBAND              = 0x0002
	EPOLLIN                  = 0x0003
	EPOLLOUT                 = 0x0004
	EPOLLWRBAND              = 0x0008
	EPOLLPRI                 = 0x0010
	EPOLLERR                 = 0x0020
	EPOLLHUP                 = 0x0040

}

// pollfd represents the poll structure for AIX operating system.
type pollfd struct {
	fd      int32
	events  int16
	revents int16
}

const _POLLIN = 0x0001
const _POLLOUT = 0x0002
const _POLLHUP = 0x2000
const _POLLERR = 0x4000

var (
	pfds           []pollfd
	pds            []*pollDesc
	mtxpoll        mutex
	mtxset         mutex
	rdwake         int32
	wrwake         int32

	0x0087, 0x0086, 0x0087, 0x0087, 0x0087, 0x0087, 0x0087, 0x0000,
	0x00ef, 0x0000, 0x00f1, 0x00f2, 0x00f2, 0x00f2, 0x00f2, 0x00f2,
	0x00f2, 0x00f2, 0x00f2, 0x00f2, 0x00f1, 0x00f2, 0x00f1, 0x00f1,
	// Entry 100 - 13F
	0x00f2, 0x00f2, 0x00f1, 0x00f2, 0x00f2, 0x00f2, 0x00f2, 0x00f1,
	0x00f2, 0x00f2, 0x00f2, 0x00f2, 0x00f2, 0x00f2, 0x0000, 0x010e,
	0x0000, 0x0110, 0x0000, 0x0112, 0x0000, 0x0114, 0x0114, 0x0000,

var SupportedAEADs = map[uint16]struct {
	keySize   int
	nonceSize int
	aead      func([]byte) (cipher.AEAD, error)
}{
	// RFC 9180, Section 7.3
	0x0001: {keySize: 16, nonceSize: 12, aead: aesGCMNew},
	0x0002: {keySize: 32, nonceSize: 12, aead: aesGCMNew},
	0x0003: {keySize: chacha20poly1305.KeySize, nonceSize: chacha20poly1305.NonceSize, aead: chacha20poly1305.New},
}

var SupportedKDFs = map[uint16]func() *hkdfKDF{

	WSAECONNABORTED           Errno = 10053
	WSAECONNRESET             Errno = 10054
)

const (
	// Invented values to support what package os expects.
	O_RDONLY   = 0x00000
	O_WRONLY   = 0x00001
	O_RDWR     = 0x00002
	O_CREAT    = 0x00040
	O_EXCL     = 0x00080
	O_NOCTTY   = 0x00100
	O_TRUNC    = 0x00200
	O_NONBLOCK = 0x00800
	O_APPEND   = 0x00400
	O_SYNC     = 0x01000
	O_ASYNC    = 0x02000
	O_CLOEXEC  = 0x80000
)